1,096 hedge funds and large institutions have $51.9B invested in Biogen in 2018 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 419 increasing their positions, 413 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$755M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$193M
2 +$192M
3 +$115M
4
ClearBridge Investments
ClearBridge Investments
New York
+$98.9M
5
Invesco
Invesco
Georgia
+$88.1M
Name Holding Trade Value Shares
Change
Change in
Stake
376
$4.99M
377
$4.92M
378
$4.85M
379
$4.8M
380
$4.77M
381
$4.72M
382
$4.68M
383
$4.62M
384
$4.62M
385
$4.61M
386
$4.58M
387
$4.56M
388
$4.55M
389
$4.54M
390
$4.53M
391
$4.47M
392
$4.39M
393
$4.38M
394
$4.37M
395
$4.33M
396
$4.3M
397
$4.3M
398
$4.28M
399
$4.28M
400
$4.27M